Add new boardctl() command to set OS symbol table

configs/Kconfig

@@ -1799,12 +1799,19 @@ config BOARDCTL_UNIQUEID_SIZE
 		Provides the size of the memory buffer that must be provided by the
 		caller of board_uniqueid() in which to receive the board unique ID.
 
-config BOARDCTL_SYMTAB
+config BOARDCTL_APP_SYMTAB
-	bool "Enable symbol table interfaces"
+	bool "Enable application symbol table interfaces"
 	default n
 	depends on EXECFUNCS_HAVE_SYMTAB
 	---help---
-		Enables support for the BOARDIOC_SYMTAB boardctl() command.
+		Enables support for the BOARDIOC_APP_SYMTAB boardctl() command.
+
+config BOARDCTL_OS_SYMTAB
+	bool "Enable kernel module symbol table interfaces"
+	default n
+	depends on MODULE
+	---help---
+		Enables support for the BOARDIOC_OS_SYMTAB boardctl() command.
 
 config BOARDCTL_TSCTEST
 	bool "Enable touchscreen test interfaces"

configs/boardctl.c

@@ -46,6 +46,7 @@
 #include <assert.h>
 
 #include <nuttx/board.h>
+#include <nuttx/module.h>
 #include <nuttx/binfmt/symtab.h>
 
 #ifdef CONFIG_LIB_BOARDCTL
@@ -148,15 +149,17 @@ int boardctl(unsigned int cmd, uintptr_t arg)
         break;
 #endif
 
-#ifdef CONFIG_BOARDCTL_SYMTAB
+#ifdef CONFIG_BOARDCTL_APP_SYMTAB
-      /* CMD:           BOARDIOC_SYMTAB
+      /* CMD:           BOARDIOC_APP_SYMTAB
-       * DESCRIPTION:   Select a symbol table
+       * DESCRIPTION:   Select the application symbol table.  This symbol table
+       *                provides the symbol definitions exported to application
+       *                code from application space.
        * ARG:           A pointer to an instance of struct boardioc_symtab_s
-       * CONFIGURATION: CONFIG_BOARDCTL_SYMTAB
+       * CONFIGURATION: CONFIG_BOARDCTL_APP_SYMTAB
        * DEPENDENCIES:  None
        */
 
-      case BOARDIOC_SYMTAB:
+      case BOARDIOC_APP_SYMTAB:
         {
           FAR const struct boardioc_symtab_s *symdesc =
             (FAR const struct boardioc_symtab_s *)arg;
@@ -168,6 +171,28 @@ int boardctl(unsigned int cmd, uintptr_t arg)
         break;
 #endif
 
+#ifdef CONFIG_BOARDCTL_OS_SYMTAB
+      /* CMD:           BOARDIOC_OS_SYMTAB
+       * DESCRIPTION:   Select the OS symbol table.  This symbol table provides
+       *                the symbol definitions exported by the OS to kernel
+       *                modules.
+       * ARG:           A pointer to an instance of struct boardioc_symtab_s
+       * CONFIGURATION: CONFIG_BOARDCTL_OS_SYMTAB
+       * DEPENDENCIES:  None
+       */
+
+      case BOARDIOC_OS_SYMTAB:
+        {
+          FAR const struct boardioc_symtab_s *symdesc =
+            (FAR const struct boardioc_symtab_s *)arg;
+
+         DEBUGASSERT(symdesc != NULL);
+         mod_setsymtab(symdesc->symtab, symdesc->nsymbols);
+         ret = OK;
+        }
+        break;
+#endif
+
 #ifdef CONFIG_BOARDCTL_TSCTEST
       /* CMD:           BOARDIOC_TSCTEST_SETUP
        * DESCRIPTION:   Touchscreen controller test configuration

configs/samv71-xult/module/defconfig

@@ -336,6 +336,7 @@ CONFIG_NSH_MMCSDMINOR=0
 # CONFIG_SAMV71XULT_MXTXPLND is not set
 CONFIG_LIB_BOARDCTL=y
 # CONFIG_BOARDCTL_UNIQUEID is not set
+CONFIG_BOARDCTL_OS_SYMTAB=y
 # CONFIG_BOARDCTL_TSCTEST is not set
 # CONFIG_BOARDCTL_ADCTEST is not set
 # CONFIG_BOARDCTL_PWMTEST is not set

configs/sim/bas/defconfig

@@ -146,7 +146,7 @@ CONFIG_NSH_MMCSDMINOR=0
 CONFIG_LIB_BOARDCTL=y
 # CONFIG_BOARDCTL_POWEROFF is not set
 # CONFIG_BOARDCTL_UNIQUEID is not set
-# CONFIG_BOARDCTL_SYMTAB is not set
+# CONFIG_BOARDCTL_APP_SYMTAB is not set
 # CONFIG_BOARDCTL_TSCTEST is not set
 # CONFIG_BOARDCTL_ADCTEST is not set
 # CONFIG_BOARDCTL_PWMTEST is not set

configs/sim/nsh/defconfig

@@ -146,7 +146,7 @@ CONFIG_NSH_MMCSDMINOR=0
 CONFIG_LIB_BOARDCTL=y
 CONFIG_BOARDCTL_POWEROFF=y
 # CONFIG_BOARDCTL_UNIQUEID is not set
-# CONFIG_BOARDCTL_SYMTAB is not set
+# CONFIG_BOARDCTL_APP_SYMTAB is not set
 # CONFIG_BOARDCTL_TSCTEST is not set
 # CONFIG_BOARDCTL_ADCTEST is not set
 # CONFIG_BOARDCTL_PWMTEST is not set

configs/sim/udgram/defconfig

@@ -147,7 +147,7 @@ CONFIG_NSH_MMCSDMINOR=0
 CONFIG_LIB_BOARDCTL=y
 # CONFIG_BOARDCTL_POWEROFF is not set
 # CONFIG_BOARDCTL_UNIQUEID is not set
-# CONFIG_BOARDCTL_SYMTAB is not set
+# CONFIG_BOARDCTL_APP_SYMTAB is not set
 # CONFIG_BOARDCTL_TSCTEST is not set
 # CONFIG_BOARDCTL_ADCTEST is not set
 # CONFIG_BOARDCTL_PWMTEST is not set

configs/sim/unionfs/defconfig

@@ -146,7 +146,7 @@ CONFIG_NSH_MMCSDMINOR=0
 CONFIG_LIB_BOARDCTL=y
 # CONFIG_BOARDCTL_POWEROFF is not set
 # CONFIG_BOARDCTL_UNIQUEID is not set
-# CONFIG_BOARDCTL_SYMTAB is not set
+# CONFIG_BOARDCTL_APP_SYMTAB is not set
 # CONFIG_BOARDCTL_TSCTEST is not set
 # CONFIG_BOARDCTL_ADCTEST is not set
 # CONFIG_BOARDCTL_PWMTEST is not set

configs/sim/ustream/defconfig

@@ -147,7 +147,7 @@ CONFIG_NSH_MMCSDMINOR=0
 CONFIG_LIB_BOARDCTL=y
 # CONFIG_BOARDCTL_POWEROFF is not set
 # CONFIG_BOARDCTL_UNIQUEID is not set
-# CONFIG_BOARDCTL_SYMTAB is not set
+# CONFIG_BOARDCTL_APP_SYMTAB is not set
 # CONFIG_BOARDCTL_TSCTEST is not set
 # CONFIG_BOARDCTL_ADCTEST is not set
 # CONFIG_BOARDCTL_PWMTEST is not set